Compare graphic card prices in Sri Lanka from MSI and ASUS. Each card lists its GPU, video memory (VRAM) and stock status.
For 1080p gaming, a card with 6GB to 8GB of VRAM is a common starting point; higher resolutions and newer games benefit from more VRAM and a faster GPU. Before you buy, check that your power supply has enough wattage and the right connectors, and that the card fits your PC case.